144021303 has 12 divisors (see below), whose sum is σ = 208276848. Its totient is φ = 95900640.

The previous prime is 144021277. The next prime is 144021307. The reversal of 144021303 is 303120441.

It is not a de Polignac number, because 144021303 - 2²⁰ = 142972727 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (144021307) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1038 + ... + 17003.

It is an arithmetic number, because the mean of its divisors is an integer number (17356404).

Almost surely, 2^144021303 is an apocalyptic number.

144021303 is a deficient number, since it is larger than the sum of its proper divisors (64255545).

144021303 is a wasteful number, since it uses less digits than its factorization.

144021303 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18934 (or 18931 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 18.

The square root of 144021303 is about 12000.8875921742. The cubic root of 144021303 is about 524.1741246293.

Adding to 144021303 its reverse (303120441), we get a palindrome (447141744).

The spelling of 144021303 in words is "one hundred forty-four million, twenty-one thousand, three hundred three".